gmw2m cr1
汽车用钢材牌号大全 - 百度经验
牌号有：GMW2M-ST-S-CR1-HD40G40G-UGMW2M-ST-S-CR2-HD40G40G-UGMW2M-ST-S-CR3-HD40G40G-UGMW2M-ST-S-CR4-HD40G40G-UGMW2M-ST-S-CR5...
GMW2M - ST - S - CR 是钢铁中的什么标准?CR1.CR2.CR3.有什么区 ...
通用标准。相当于01，03，04的板子。知之.不知之
牌号有：GMW2M-ST-S-CR1-HD40G40G-UGMW2M-ST-S-CR2-HD40G40G-UGMW2M-ST-S-CR3-HD40G40G-UGMW2M-ST-S-CR4-HD40G40G-UGMW2M-ST-S-CR5...
通用标准。相当于01，03，04的板子。知之.不知之